198548 has 18 divisors (see below), whose sum is σ = 404586. Its totient is φ = 85008.

The previous prime is 198533. The next prime is 198553. The reversal of 198548 is 845891.

It can be written as a sum of positive squares in only one way, i.e., 103684 + 94864 = 322^2 + 308^2 .

It is a congruent number.

It is an unprimeable number.

198548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (22477).

2¹⁹⁸⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

198548 is an abundant number, since it is smaller than the sum of its proper divisors (206038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198548 is a wasteful number, since it uses less digits than its factorization.

198548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1022 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 198548 is about 445.5872529595. The cubic root of 198548 is about 58.3384884333.

The spelling of 198548 in words is "one hundred ninety-eight thousand, five hundred forty-eight".